TDU 2 HELP

Hi,
Is there a way to change racing school timers ? Please help me with this, i just cant handle frustration anymore. I like the game overall but racing school is hell.
My game is unpacked with unofficial path and Autopack. I use C.T.R. Physics mod 1.05 but even with (and without) this mod i cant complete hawai schools.
Or maybe someone can point me to specific gamefile i can modify myself (i know how to edit cpr files).
Game is supposed to be fun not a living hell.
(Sorry form my English, its not my primary)

Edit: - Can you tell me if timers for racing school is located in this file - aicmac_training.xml if yes which line i need to change ?

I dont want to be rude or something but i dont need a encouragement or people telling me that racing school is easy or you can do this. No i cant. If im the only person on the entire world who cant pass this test, so be it.
I just need someone to tell me which file i need to edit, so i can finally pass racing schools and play the rest of the game comfortable without anger and frustration.

No idea what to mod, but would you consider sharing some video footage of your best attempts, just in case there is a way to help improve and then enjoy the game more? iirc some of those later races became more difficult to win as well.

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